Coastal Waters Forecast for Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM (ANZ254) (Text-Only)
NWS Forecast for: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM (ANZ254)
Issued by: National Weather Service Norton, MA
Last Update: 105 AM EDT Mon Sep 7 2026
Print


Rest Of Tonight: NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave detail: NE 4 ft at 8 seconds and NE 2 ft at 5 seconds.

Mon: NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: NE 4 ft at 9 seconds and NE 3 ft at 6 seconds.

Mon Night: SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave detail: W 2 ft at 3 seconds and NE 2 ft at 6 seconds.

Tue: NW winds 5 to 10 kt. Seas around 2 ft. Wave detail: N 2 ft at 5 seconds and SW 1 foot at 5 seconds.

Tue Night And Wed: S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 4 seconds and N 1 foot at 4 seconds.

Wed Night: SW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to 6 ft after midnight. Wave detail: SW 3 ft at 5 seconds and NE 1 foot at 4 seconds, becoming SW 5 ft at 5 seconds and E 1 foot at 4 seconds.

Thu: SW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft.

Thu Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.

Fri: NW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.

Fri Night: N winds 5 to 10 kt. Seas 2 to 4 ft.

seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.







Zone Forecast: Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM (ANZ254)

Visit your local NWS office at: https://www.weather.gov/boston